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[0/3] add support for EXAR XR20M1172 UART

Message ID 20240418132508.3447800-1-rilian.la.te@ya.ru
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Series add support for EXAR XR20M1172 UART | expand

Message

Konstantin Pugin April 18, 2024, 1:25 p.m. UTC 
From: Konstantin Pugin <ria.freelander@gmail.com>

EXAR XR20M1172 UART is mostly SC16IS762-compatible, but
it has additional register which can change UART multiplier
to 4x and 8x, similar to UPF_MAGIC_MULTIPLIER does. So, I used this
flag to guard access to its specific DLD register. It seems than
other EXAR SPI UART modules also have this register, but I tested
only XR20M1172.

Konstantin (3):
  serial: sc16is7xx: announce support of SER_RS485_RTS_ON_SEND
  serial: sc16is7xx: Add bindings documentation for EXAR XR20M1172 UART
  serial: sc16is7xx: add support for EXAR XR20M1172 UART

 .../bindings/serial/nxp,sc16is7xx.yaml        |  1 +
 drivers/tty/serial/sc16is7xx.c                | 56 +++++++++++++++++--
 2 files changed, 53 insertions(+), 4 deletions(-)